text: /*************************************************************************/
  /*  broad_phase_2d_basic.h                                               */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                    http://www.godotengine.org                         */
  /*************************************************************************/
  /* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur.                 */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  #ifndef BROAD_PHASE_2D_BASIC_H
  #define BROAD_PHASE_2D_BASIC_H
  
  #include "space_2d_sw.h"
  #include "map.h"
  class BroadPhase2DBasic : public BroadPhase2DSW {
  
  	struct Element {
  
  		CollisionObject2DSW *owner;
  		bool _static;
  		Rect2 aabb;
  		int subindex;
  	};
  
  
  	Map<ID,Element> element_map;
  
  	ID current;
  
  	struct PairKey {
  
  		union {
  			struct {
  				ID a;
  				ID b;
  			};
  			uint64_t key;
  		};
  
  		_FORCE_INLINE_ bool operator<(const PairKey& p_key) const {
  			return key < p_key.key;
  		}
  
  		PairKey() { key=0; }
  		PairKey(ID p_a, ID p_b) { if (p_a>p_b) { a=p_b; b=p_a; } else { a=p_a; b=p_b; }}
  
  	};
  
  	Map<PairKey,void*> pair_map;
  
  
  	PairCallback pair_callback;
  	void *pair_userdata;
  	UnpairCallback unpair_callback;
  	void *unpair_userdata;
  
  public:
  
  	// 0 is an invalid ID
  	virtual ID create(CollisionObject2DSW *p_object_, int p_subindex=0);
  	virtual void move(ID p_id, const Rect2& p_aabb);
  	virtual void set_static(ID p_id, bool p_static);
  	virtual void remove(ID p_id);
  
  	virtual CollisionObject2DSW *get_object(ID p_id) const;
  	virtual bool is_static(ID p_id) const;
  	virtual int get_subindex(ID p_id) const;
  
  	virtual int cull_segment(const Vector2& p_from, const Vector2& p_to,CollisionObject2DSW** p_results,int p_max_results,int *p_result_indices=NULL);
  	virtual int cull_aabb(const Rect2& p_aabb,CollisionObject2DSW** p_results,int p_max_results,int *p_result_indices=NULL);
  
  	virtual void set_pair_callback(PairCallback p_pair_callback,void *p_userdata);
  	virtual void set_unpair_callback(UnpairCallback p_unpair_callback,void *p_userdata);
  
  	virtual void update();
  
  	static BroadPhase2DSW *_create();
  	BroadPhase2DBasic();
  };
  
  #endif // BROAD_PHASE_2D_BASIC_H
  